Index: /trunk/Mars/mcore/DrsCalib.h
===================================================================
--- /trunk/Mars/mcore/DrsCalib.h	(revision 14404)
+++ /trunk/Mars/mcore/DrsCalib.h	(revision 14405)
@@ -183,5 +183,5 @@
 
             const int64_t div = gain[abs];
-            vec[i] = double(v)*scalegain/div;
+            vec[i] = div==0 ? 0 : double(v)*scalegain/div;
         }
     }
@@ -211,5 +211,5 @@
 
             const int64_t div = gain[abs]*scalerel;
-            vec[i] = double(v)*scalegain/div;
+            vec[i] = div==0 ? 0 : double(v)*scalegain/div;
         }
     }
@@ -986,5 +986,5 @@
 
 #ifdef __MARS__
-        const MTime now;
+        const MTime now(-1);
         file.SetStr(  "TELESCOP", "FACT",               "Telescope that acquired this data");
         file.SetStr(  "PACKAGE",  "MARS",               "Package name");